A comprehensive review on anaerobic digestion of organic fraction of municipal solid waste

Zamri, MFMA; Hasmady, S; Akhiar, A; Ideris, F; Shamsuddin, AH; Mofijur, M; Fattah, IMR; Mahlia, TMI

A comprehensive review on anaerobic digestion of organic fraction of municipal solid waste

Zamri, MFMA Hasmady, S Akhiar, A Ideris, F Shamsuddin, AH Mofijur, M Fattah, IMR Mahlia, TMI

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Publisher:: Elsevier BV
Publication Type:: Journal Article
Citation:: Renewable and Sustainable Energy Reviews, 2021, 137, pp. 110637-110637
Issue Date:: 2021-03-01

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Field	Value	Language
dc.contributor.author	Zamri, MFMA
dc.contributor.author	Hasmady, S
dc.contributor.author	Akhiar, A
dc.contributor.author	Ideris, F
dc.contributor.author	Shamsuddin, AH
dc.contributor.author	Mofijur, M
dc.contributor.author	Fattah, IMR
dc.contributor.author	Mahlia, TMI
dc.date.accessioned	2021-02-03T22:14:22Z
dc.date.available	2021-02-03T22:14:22Z
dc.date.issued	2021-03-01
dc.identifier.citation	Renewable and Sustainable Energy Reviews, 2021, 137, pp. 110637-110637
dc.identifier.issn	1364-0321
dc.identifier.issn	1879-0690
dc.identifier.uri	http://hdl.handle.net/10453/145779
dc.description.abstract	© 2020 Elsevier Ltd This article aims to comprehensively review the anaerobic digestion (AD) process utilising the organic fraction of municipal solid waste (OFMSW) substrate. The AD of OFMSW has received considerable attention due to its significant energy and nutrient recovery as well as its greenhouse gas (GHG) mitigation potential. AD is a biological process involving treating and stabilising organic matter in the absence of oxygen accomplished by a consortium of microorganisms and occurs under hydrolysis, acidogenesis, acetogenesis, and methanogenesis phases. The hydrolysis phase is recognised as the primary rate-limiting step. Thus, exploring the ways to speed up the hydrolysis process will maximise biogas production. The key factors affecting the digestion efficiency include feedstock quality, pre-treatment process, design and selection of digestion process and process conditions including pH, temperature, carbon to nitrogen (C: N) ratio, organic loading rate and hydraulic retention time. The review reveals that solid-state anaerobic digestion (SSAD) is best suited for OFMSW due to its high solid concentration (>15%) and better process performance. The continuous digestion with thermophilic temperatures was found to be the best condition for high solid AD process. The plug flow and continuous stir tank reactors were the best performing options to control the biological conditions for the digestate post-treatment. Proper selection of the parameters for the whole process is crucial in ensuring process feasibility and economic sustainability of AD of OFMSW. The study revealed that the AD of OFMSW could play a significant role to mitigate waste and waste-related problems.
dc.language	en
dc.publisher	Elsevier BV
dc.relation.ispartof	Renewable and Sustainable Energy Reviews
dc.relation.isbasedon	10.1016/j.rser.2020.110637
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	09 Engineering
dc.subject.classification	Energy
dc.title	A comprehensive review on anaerobic digestion of organic fraction of municipal solid waste
dc.type	Journal Article
utslib.citation.volume	137
utslib.for	09 Engineering
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Information, Systems and Modelling
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	open_access	*
dc.date.updated	2021-02-03T22:14:18Z
pubs.publication-status	Accepted
pubs.volume	137

Abstract:

© 2020 Elsevier Ltd This article aims to comprehensively review the anaerobic digestion (AD) process utilising the organic fraction of municipal solid waste (OFMSW) substrate. The AD of OFMSW has received considerable attention due to its significant energy and nutrient recovery as well as its greenhouse gas (GHG) mitigation potential. AD is a biological process involving treating and stabilising organic matter in the absence of oxygen accomplished by a consortium of microorganisms and occurs under hydrolysis, acidogenesis, acetogenesis, and methanogenesis phases. The hydrolysis phase is recognised as the primary rate-limiting step. Thus, exploring the ways to speed up the hydrolysis process will maximise biogas production. The key factors affecting the digestion efficiency include feedstock quality, pre-treatment process, design and selection of digestion process and process conditions including pH, temperature, carbon to nitrogen (C: N) ratio, organic loading rate and hydraulic retention time. The review reveals that solid-state anaerobic digestion (SSAD) is best suited for OFMSW due to its high solid concentration (>15%) and better process performance. The continuous digestion with thermophilic temperatures was found to be the best condition for high solid AD process. The plug flow and continuous stir tank reactors were the best performing options to control the biological conditions for the digestate post-treatment. Proper selection of the parameters for the whole process is crucial in ensuring process feasibility and economic sustainability of AD of OFMSW. The study revealed that the AD of OFMSW could play a significant role to mitigate waste and waste-related problems.

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http://hdl.handle.net/10453/145779